optional

[ op-shuh-nl ]
/ ˈɒp ʃə nl /

adjective

left to one's choice; not required or mandatory: Formal dress is optional.
leaving something to choice.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of optional

First recorded in 1755–65; option + -al1

OTHER WORDS FROM optional

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for optional

British Dictionary definitions for optional

optional
/ (ˈɒpʃənəl) /

adjective

possible but not compulsory; left to personal choice

Derived forms of optional

optionally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012